I am not sure about fresh food, but The Netherlands is world's second largest agricultural exporter (and no, it's not only flowers):
https://www.nationalgeographic.com/magazine/2017/09/holland-...
Also, it's not only about size, also efficiency. Scroll down the article and look at the insane yields per square mile for tomatoes, chilies + green peppers, and cucumbers. No other country comes even close.